Post Crisis & 616.
Bat Family:
Batman
Nightwing
Batgirl (Cass)
Catwoman
Huntress
Azreal (in his high tech armor from Knightfall)
X-Men:
Wolverine
Angel
Beast
Gambit
X-23
First scenario:
Blackbird touches down outside of Wayne Manor. They have to assault the Manor head on.
Second scenario:
Batwing Jet lands outside of Xavier's school. They have to assault the Mansion head on.
Third scenario:
Arena